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-rw-r--r--gst/rtp/gstrtpmpaenc.c268
1 files changed, 0 insertions, 268 deletions
diff --git a/gst/rtp/gstrtpmpaenc.c b/gst/rtp/gstrtpmpaenc.c
deleted file mode 100644
index cbfc4a43..00000000
--- a/gst/rtp/gstrtpmpaenc.c
+++ /dev/null
@@ -1,268 +0,0 @@
-/* GStreamer
- * Copyright (C) <2005> Wim Taymans <wim@fluendo.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more
- */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <string.h>
-
-#include <gst/rtp/gstrtpbuffer.h>
-
-#include "gstrtpmpaenc.h"
-
-/* elementfactory information */
-static GstElementDetails gst_rtp_mpaenc_details = {
- "RTP packet parser",
- "Codec/Encoder/Network",
- "Encode MPEG audio as RTP packets (RFC 2038)",
- "Wim Taymans <wim@fluendo.com>"
-};
-
-static GstStaticPadTemplate gst_rtpmpaenc_sink_template =
-GST_STATIC_PAD_TEMPLATE ("sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("audio/mpeg")
- );
-
-static GstStaticPadTemplate gst_rtpmpaenc_src_template =
-GST_STATIC_PAD_TEMPLATE ("src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("application/x-rtp, "
- "media = (string) \"audio\", "
- "payload = (int) [ 96, 255 ], "
- "clock-rate = (int) 90000, " "encoding-name = (string) \"MPA\"")
- );
-
-static void gst_rtpmpaenc_class_init (GstRtpMPAEncClass * klass);
-static void gst_rtpmpaenc_base_init (GstRtpMPAEncClass * klass);
-static void gst_rtpmpaenc_init (GstRtpMPAEnc * rtpmpaenc);
-static void gst_rtpmpaenc_finalize (GObject * object);
-
-static gboolean gst_rtpmpaenc_setcaps (GstBaseRTPPayload * payload,
- GstCaps * caps);
-static GstFlowReturn gst_rtpmpaenc_handle_buffer (GstBaseRTPPayload * payload,
- GstBuffer * buffer);
-
-static GstBaseRTPPayloadClass *parent_class = NULL;
-
-static GType
-gst_rtpmpaenc_get_type (void)
-{
- static GType rtpmpaenc_type = 0;
-
- if (!rtpmpaenc_type) {
- static const GTypeInfo rtpmpaenc_info = {
- sizeof (GstRtpMPAEncClass),
- (GBaseInitFunc) gst_rtpmpaenc_base_init,
- NULL,
- (GClassInitFunc) gst_rtpmpaenc_class_init,
- NULL,
- NULL,
- sizeof (GstRtpMPAEnc),
- 0,
- (GInstanceInitFunc) gst_rtpmpaenc_init,
- };
-
- rtpmpaenc_type =
- g_type_register_static (GST_TYPE_BASE_RTP_PAYLOAD, "GstRtpMPAEnc",
- &rtpmpaenc_info, 0);
- }
- return rtpmpaenc_type;
-}
-
-static void
-gst_rtpmpaenc_base_init (GstRtpMPAEncClass * klass)
-{
- GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
-
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&gst_rtpmpaenc_src_template));
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&gst_rtpmpaenc_sink_template));
-
- gst_element_class_set_details (element_class, &gst_rtp_mpaenc_details);
-}
-
-static void
-gst_rtpmpaenc_class_init (GstRtpMPAEncClass * klass)
-{
- GObjectClass *gobject_class;
- GstElementClass *gstelement_class;
- GstBaseRTPPayloadClass *gstbasertppayload_class;
-
- gobject_class = (GObjectClass *) klass;
- gstelement_class = (GstElementClass *) klass;
- gstbasertppayload_class = (GstBaseRTPPayloadClass *) klass;
-
- parent_class = g_type_class_ref (GST_TYPE_BASE_RTP_PAYLOAD);
-
- gobject_class->finalize = gst_rtpmpaenc_finalize;
-
- gstbasertppayload_class->set_caps = gst_rtpmpaenc_setcaps;
- gstbasertppayload_class->handle_buffer = gst_rtpmpaenc_handle_buffer;
-}
-
-static void
-gst_rtpmpaenc_init (GstRtpMPAEnc * rtpmpaenc)
-{
- rtpmpaenc->adapter = gst_adapter_new ();
-}
-
-static void
-gst_rtpmpaenc_finalize (GObject * object)
-{
- GstRtpMPAEnc *rtpmpaenc;
-
- rtpmpaenc = GST_RTP_MPA_ENC (object);
-
- g_object_unref (rtpmpaenc->adapter);
- rtpmpaenc->adapter = NULL;
-
- G_OBJECT_CLASS (parent_class)->finalize (object);
-}
-
-static gboolean
-gst_rtpmpaenc_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
-{
- gst_basertppayload_set_options (payload, "audio", TRUE, "MPA", 90000);
- gst_basertppayload_set_outcaps (payload, NULL);
-
- return TRUE;
-}
-
-static GstFlowReturn
-gst_rtpmpaenc_flush (GstRtpMPAEnc * rtpmpaenc)
-{
- guint avail;
- GstBuffer *outbuf;
- GstFlowReturn ret;
- guint16 frag_offset;
-
- /* the data available in the adapter is either smaller
- * than the MTU or bigger. In the case it is smaller, the complete
- * adapter contents can be put in one packet. In the case the
- * adapter has more than one MTU, we need to split the MPA data
- * over multiple packets. The frag_offset in each packet header
- * needs to be updated with the position in the MPA frame. */
- avail = gst_adapter_available (rtpmpaenc->adapter);
-
- ret = GST_FLOW_OK;
-
- frag_offset = 0;
- while (avail > 0) {
- guint towrite;
- guint8 *payload;
- guint8 *data;
- guint payload_len;
- guint packet_len;
-
- /* this will be the total lenght of the packet */
- packet_len = gst_rtpbuffer_calc_packet_len (4 + avail, 0, 0);
-
- /* fill one MTU or all available bytes */
- towrite = MIN (packet_len, GST_BASE_RTP_PAYLOAD_MTU (rtpmpaenc));
-
- /* this is the payload length */
- payload_len = gst_rtpbuffer_calc_payload_len (towrite, 0, 0);
-
- /* create buffer to hold the payload */
- outbuf = gst_rtpbuffer_new_allocate (payload_len, 0, 0);
-
- payload_len -= 4;
-
- gst_rtpbuffer_set_payload_type (outbuf, GST_RTP_PAYLOAD_MPA);
-
- /*
- * 0 1 2 3
- * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
- * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- * | MBZ | Frag_offset |
- * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- */
- payload = gst_rtpbuffer_get_payload (outbuf);
- payload[0] = 0;
- payload[1] = 0;
- payload[2] = frag_offset >> 8;
- payload[3] = frag_offset & 0xff;
-
- data = (guint8 *) gst_adapter_peek (rtpmpaenc->adapter, payload_len);
- memcpy (&payload[4], data, payload_len);
- gst_adapter_flush (rtpmpaenc->adapter, payload_len);
-
- avail -= payload_len;
- frag_offset += payload_len;
-
- if (avail == 0)
- gst_rtpbuffer_set_marker (outbuf, TRUE);
-
- GST_BUFFER_TIMESTAMP (outbuf) = rtpmpaenc->first_ts;
- GST_BUFFER_DURATION (outbuf) = rtpmpaenc->duration;
-
- ret = gst_basertppayload_push (GST_BASE_RTP_PAYLOAD (rtpmpaenc), outbuf);
- }
-
- return ret;
-}
-
-static GstFlowReturn
-gst_rtpmpaenc_handle_buffer (GstBaseRTPPayload * basepayload,
- GstBuffer * buffer)
-{
- GstRtpMPAEnc *rtpmpaenc;
- GstFlowReturn ret;
- guint size, avail;
- guint packet_len;
- GstClockTime duration;
-
- rtpmpaenc = GST_RTP_MPA_ENC (basepayload);
-
- size = GST_BUFFER_SIZE (buffer);
- duration = GST_BUFFER_DURATION (buffer);
-
- avail = gst_adapter_available (rtpmpaenc->adapter);
- if (avail == 0) {
- rtpmpaenc->first_ts = GST_BUFFER_TIMESTAMP (buffer);
- rtpmpaenc->duration = 0;
- }
-
- /* get packet length of previous data and this new data,
- * payload length includes a 4 byte header */
- packet_len = gst_rtpbuffer_calc_packet_len (4 + avail + size, 0, 0);
-
- /* if this buffer is going to overflow the packet, flush what we
- * have. */
- if (gst_basertppayload_is_filled (basepayload,
- packet_len, rtpmpaenc->duration + duration)) {
- ret = gst_rtpmpaenc_flush (rtpmpaenc);
- rtpmpaenc->first_ts = GST_BUFFER_TIMESTAMP (buffer);
- rtpmpaenc->duration = 0;
- } else {
- ret = GST_FLOW_OK;
- }
-
- gst_adapter_push (rtpmpaenc->adapter, buffer);
- rtpmpaenc->duration += duration;
-
- return ret;
-}
-
-gboolean
-gst_rtpmpaenc_plugin_init (GstPlugin * plugin)
-{
- return gst_element_register (plugin, "rtpmpaenc",
- GST_RANK_NONE, GST_TYPE_RTP_MPA_ENC);
-}
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